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A variable is categorical if it describes some specific attribute or characteristic of individuals or respondents that can only be categorised. For example, gender of patients in a hospital (with two “values” or “levels” female and male) and smoking habit (with three “values” or “levels” never smoked, past smoker, and current smoker) are two categorical variables.

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Relationship Between Two Categorical Variables

  • 章节

  • 发表日期：

    2025年

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  • Shahjahan Khan,
  • Md. Shafiur Rahman

摘要

A variable is categorical if it describes some specific attribute or characteristic of individuals or respondents that can only be categorised. For example, gender of patients in a hospital (with two “values” or “levels” female and male) and smoking habit (with three “values” or “levels” never smoked, past smoker, and current smoker) are two categorical variables.